1 /* Subtract long double (ldbl-128) values, narrowing the result to double.
2 Copyright (C) 2018-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19 #define f32xsubf64x __hide_f32xsubf64x
20 #define f32xsubf128 __hide_f32xsubf128
21 #define f64subf64x __hide_f64subf64x
22 #define f64subf128 __hide_f64subf128
23 #include <math.h>
24 #undef f32xsubf64x
25 #undef f32xsubf128
26 #undef f64subf64x
27 #undef f64subf128
28
29 #include <math-narrow.h>
30
31 double
__dsubl(_Float128 x,_Float128 y)32 __dsubl (_Float128 x, _Float128 y)
33 {
34 NARROW_SUB_ROUND_TO_ODD (x, y, double, union ieee854_long_double, l,
35 mantissa3);
36 }
37 libm_alias_double_ldouble (sub)
38